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National Geologic Map Database

Geologic Unit: Hounsfield

Usage:

Hounsfield Metabentonite [Bed] of Selby Formation (NY)


Geologic age:

Middle Ordovician
Mohawkian
Rocklandian


Type section, locality, area and/or origin of name:

Type section: in small quarry just north of Dexter-Brownville Road at foot of west slope of hill, 2 mi east of Dexter, Jefferson Co., NY. [Named from adjacent Hounsfield Twp.] (Kay, 1930).


AAPG geologic province:

Appalachian basin


For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.

Asterisk (*) indicates usage by the U.S. Geological Survey. Other usages by state geological surveys.

"No current usage" (†) implies that a name has been abandoned or has fallen into disuse. Former usage and, if known, replacement name given in parentheses ( ).

Slash (/) indicates name does not conform with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005). This may be explained within brackets ([ ]).

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